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bagirrra123 [75]
3 years ago
12

Solutions for 12 – x2 = 0?

Mathematics
2 answers:
Liula [17]3 years ago
6 0
Answer:   x =  ±  2 √3 ;  or,  write as:   x  =   ± 3.464  .
__________________________________________________
Given:  12 – x² = 0 ; 

Multiply BOTH side by "-1" ;
__________________________________________________
-1 (12 – x² = 0) ;

to get:

-12 + x² = 0 ;

Rewrite as:

x²  - 12 = 0 ;

Add "12" to both sides; to get: 

x² = 12 

Take the square root of each side:

√(x²) = ±√(12)

x = ± √(12) 
_________________________________________________
√(12) = √(4) * √(3) = 2 √(3)

√(12) = 3.4641016151377546 ; round to:  3.464 .
____________________________________________________
x = ± √(12) ;
____________________________________________________
x =  ±  2 √3 ; or, write as:  x =  ± 3.464 .
____________________________________________________
Rama09 [41]3 years ago
4 0

Answer:

Step-by-step explanation:

The answer is A X= 2/3 and x=-2/3

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